/**
 * This is my first code!
 * @author dujiabao
 * @version v1.0
 */
public class HelloWorld {
    // 单行注释
    /*
    多行注释
    */

    /**
     * main function
     * @param args None
     */
    public static void main(String[] args) {
        System.out.println("Hello World");
    }
}
